go字符串处理

package main

import "fmt"
import "strings"
import "strconv"

func main() {
	a := "aaa,111,222"
	arr := strings.Split(a, ",")
	fmt.Println(arr[1:])
	b := " ccc        "
	fmt.Println("trim:", strings.Trim(b, " "))
	fmt.Println(b)
	fmt.Println("trim space:", strings.TrimSpace(b))
	i, err := strconv.Atoi("111")
	fmt.Println(i, err)
	f, err := strconv.ParseFloat("1.234", 64)
	fmt.Println(f, err)
}

[111 222]
trim: ccc
 ccc        
trim space: ccc
111 <nil>
1.234 <nil>